2008 Toyota Land CruiserFACTORY OEM SERVICE PROCEDURE

Freeze Frame Data

  1. FREEZE FRAME DATA 
    1. If a DTC is stored when the brake control system operates, the skid control ECU stores the current vehicle (sensor) state as freeze frame data. The skid control ECU stores the number of times (maximum: 31) the engine switch has been turned from off to on (IG) since the last time the brake control system was activated.

      HINT:

      • The skid control ECU will not count the number of times the engine switch is turned on (IG) if the vehicle does not drive at a speed of at least 7 km/h (4.3 mph) or a DTC is stored.
      • Freeze frame data at the time the brake control system operates: The skid control ECU stores and updates the data whenever the brake control system operates. When the ECU stores data at the time a DTC is stored, the data stored when the brake control system operated may be cleared.
      • Freeze frame data at the time a DTC is stored: When the skid control ECU stores data at the time a DTC is stored, no updates will be performed until the data is cleared.
    2. Connect the Techstream to the DLC3.
    3. Turn the engine switch on (IG).
    4. Turn the Techstream on.
    5. Enter the following menus: Chassis / ABS/VSC/ TRAC / Utility / ABS History.
    6. On the Techstream display, select the freeze frame data.

      ABS History 

      FREEZE FRAME DATA - ABS HISTORY

      Tester Display Measurement Item Reference Value
      Elapsed Time after Freeze Trigger Elapsed time after freeze trigger Min.: 0 ms Max.: 500 ms
      Number of IG ON Number of operations of engine switch on (IG) after storing freeze frame data 0 to 31
      Buzzer Skid control buzzer signal Skid control buzzer on: ON, off: OFF
      Stop Lamp SW Stop light switch signal Stop light switch on: ON, off: OFF
      Parking Brake SW Parking brake switch signal Parking brake switch on: ON, off: OFF
      Reservoir Warning SW Brake fluid level warning switch signal Brake fluid level warning switch on: ON, off: OFF
      Gear Position Gear position information FAIL
      1st
      2nd
      3rd
      4th
      5th
      6th
      P, N
      R
      NOT R
      Shift Lever Position Shift lever position information FAIL
      1st
      2nd
      3rd
      4th
      5th
      6th/B
      D/M
      P, N
      R
      Operated System Operated system status ABS: ABS activated
      VSC: VSC activated
      TRC: A-TRAC activated
      BA: BA activated
      HAB: HAB activated
      FAIL: Fail-safe mode activated
      PBA: PBA activated
      PB: PB activated
      HA-CTRL: Hill-start assist control activated
      SYS: System prohibited
      NON: No system activated
      Master Cylinder Sensor Master cylinder pressure sensor reading Min.: 0 V
      Max.: 5 V
      M/C Sensor Grade Master cylinder pressure sensor change Min.: -30 MPa/s., Max.: 225 MPa/s
      Yaw Rate Sensor Yaw rate sensor reading Min.: -128 deg/s, Max.: 127 deg/s
      Lateral G Lateral G Min.: -25.11 m/s2 , Max.: 24.91 m/s2
      Forward and Rearward G Forward and rearward G Min.: -25.11 m/s2 , Max.: 24.91 m/s2
      FR Wheel Speed Front right wheel speed reading Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
      FL Wheel Speed Front left wheel speed reading Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
      RR Wheel Speed Rear right wheel speed reading Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
      RL Wheel Speed Rear left wheel speed reading Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
      Vehicle Speed Vehicle speed reading Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
      Vehicle Speed Grade Vehicle speed grade reading Min.: -25.11 m/s2 , Max.: 24.91 m/s2
      FR Wheel Direction Front right wheel direction signal Front right wheel direction
      FORWARD: Forward, BACK: Back
      FL Wheel Direction Front left wheel direction signal Front left wheel direction
      FORWARD: Forward, BACK: Back
      RR Wheel Direction Rear right wheel direction signal Rear right wheel direction
      FORWARD: Forward, BACK: Back
      RL Wheel Direction Rear left wheel direction signal Rear left wheel direction
      FORWARD: Forward, BACK: Back
      Real Engine Torque Real engine torque Min.: -1024 N*m, Max.: 1023 N*m
      Accelerator Opening Angle % Accelerator opening angle percentage Min.: 0%, Max.: 128%
      Steering Angle Sensor Steering angle sensor reading Min.: -3276.8 deg
      Max.: 3276.7 deg
      TRAC/VSC Off Mode TRAC/VSC Off Mode Normal: Normal mode
      TRAC OFF: TRAC OFF mode
      VSC OFF: VSC OFF mode
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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